Sharp R-27STM Service Manual page 23

Printed Wiring Board
LD1
CN-G
SP1
B
Q22 E
D20
d
RY1
a
c
Figure S-3. Printed Wiring Board of Power Unit
R27STM.indd 23
LD2 LD3 LD4
DIP
IC SIDE
JUMP1
(JUMP A) C6
R3
+
-
D5
ZD1
-
C1
C5
JUMP4
+
C21
- R21
+
E
B
E
Q23
B
Q21
R22
D2 D1 D3 D4
T1
P
S
VRS1
b
D21
RY2
D6
Figure S-4. Printed Wiring Board of Switchr Unit
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R-27STM
11/3/08 2:04:32 PM